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21-11-2017
Mathematics

contestada

Evaluate the determinant for the following matrix: 3 -5 1 1

A. 5
B. –4
C. 8
D. –2

Respuesta :

Аноним Аноним

22-11-2017

The matrix is
[tex]A = \begin{bmatrix} 3&-5\\1&1\end{bmatrix}[/tex]

The determinant of A is
det(A) = (3)*(1) - (-5)*(1) = 3 + 5 = 8

Answer: 8

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